Rapid setting cementitious composition
US6641658B1 · kind B1 · utility
128Cited by
10References
45Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 2002 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Jul 3, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A rapid setting cementitious composition useful for making cement boards employs an insoluble form of anhydrous calcium sulfate (anhydrite) to accelerate setting and to permit reducing the amount of high alumina cement usage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.